Finding the Fourth Proportional to 5,426,243.12, 8,133,173.04 and 2,185,705.68
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Solution
The fourth proportional to 5,426,243.12, 8,133,173.04 and 2,185,705.68 is: 3,276,064.51
Step by Step Solution
- Step 1: Write the proportion equation
5,426,243.12 : 8,133,173.04 = 2,185,705.68 : x - Step 2: Convert to fraction form
5,426,243.12/8,133,173.04 = 2,185,705.68/x - Step 3: Cross multiply
5,426,243.12x = 8,133,173.04 × 2,185,705.68 - Step 4: Simplify right side
5,426,243.12x = 17,776,722,509,950.87 - Step 5: Solve for x
x = 17,776,722,509,950.87/5,426,243.12 - Step 6: Final answer
x = 3,276,064.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.